Guitar strap lock adapter



FIG. 1 is a top perspective view of a guitar strap lock adapter showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a first side elevation view thereof;

FIG. 5 is a second side elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a rear elevation view thereof; and,

FIG. 8 is a perspective view showing the guitar strap lock adapter attached to and securing a guitar strap to the guitar.

The broken lines in FIGS. 1-8 illustrate environment only and form no part of the claimed design. 

CLAIM The ornamental design for a guitar strap lock adapter, as shown and described. 